<template>
  <div>
    <el-upload
      class="avatar-uploader"
      action=""
      :show-file-list="false"
      :before-upload="beforeAvatarUpload"
      :http-request="handleAvatarSuccess"
    >
      <img v-if="img" :src="img" class="avatar">
      <i v-else class="el-icon-plus avatar-uploader-icon" />
    </el-upload>
    <el-progress :text-inside="true" :stroke-width="26" :percentage="percentage" />
  </div>
</template>
<script>
// sdk software develop kit 软件开发工具箱
// 这个js文件, 就是给我们提供很多操作这个云存储的一些 js方法
import COS from 'cos-js-sdk-v5'

// 初始化COS存储桶, 使用id和key
const cos = new COS({
  SecretId: 'AKIDGMF7nIZeM2YrvkLNCrLmCYk5WpvpVxMZ',
  SecretKey: '2qZJ9v1xmYL8pmbGtWxFSVA3lEcniOpG'
})
// console.log(COS)
export default {
  name: 'ImgageUpdate',
  props: {
    img: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      percentage: 0
    }
  },
  computed: {
  },
  created() {
  },
  methods: {
    handleAvatarSuccess(e) {
      console.log(e)
      // this.imageUrl = URL.createObjectURL(file.raw)
      const that = this
      cos.putObject({
        Bucket: 'heima92-1318986548', /* 填入您自己的存储桶，必须字段 */
        Region: 'ap-nanjing', /* 存储桶所在地域，例如ap-beijing，必须字段 */
        Key: e.file.name, /* 存储在桶里的对象键（例如1.jpg，a/b/test.txt），必须字段 */
        Body: e.file, /* 必须，上传文件对象，可以是input[type="file"]标签选择本地文件后得到的file对象 */
        onProgress: function(progressData) {
          console.log(JSON.stringify(progressData), 888)
          that.percentage = progressData.percent * 100
        }
      // eslint-disable-next-line handle-callback-err
      }, function(err, data) {
        // console.log(err || data)
        if (data.statusCode === 200 && data.Location) {
          that.$emit('update:img', `http://${data.Location}`)
        }
      })
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === 'image/jpeg'
      const isLt2M = file.size / 1024 / 1024 < 2

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }
      // return isJPG && isLt2M
      return true
    }
  }
}
</script>
<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>
<style lang='scss'  scoped>

</style>
